We present a partial-wave analysis of the K^±π⁺π^- system in K^±p→K^±π⁺π^-p at 13 GeV. Evidence is given for the existence of two JP=1⁺ mesons: one at {~} 1300 MeV (Γ~200 MeV) coupling principally to ρK and the other at {~} 1400 MeV (Γ~160 MeV) coupling principally to K*π.
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Brandenburg et al. (1976) studied this question.
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